In a Gas Mixture of He, Ne, and Ar with a Total

question 97

Multiple Choice

In a gas mixture of He, Ne, and Ar with a total pressure of 8.40 atm, the mole fraction of Ar is
If the partial pressures of He and Ne are 1.50 and 2.00 atm, respectively.

• A) 0.179
• B) 0.583
• C) 0.238
• D) 0.417
• E) 0.357

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Definitions:

Ozone Concentration

The measure of the amount of ozone present in a particular area of the atmosphere, critical for blocking harmful ultraviolet radiation.

Acid Rain

Precipitation that contains high levels of sulfuric or nitric acids, often resulting from the emission of sulfur dioxide and nitrogen oxides from human activities such as burning fossil fuels.

Air Pressure

The force exerted onto a surface by the weight of the air above it, which decreases as altitude increases.

Global Circulation

The large-scale movement of air through the earth's atmosphere, driven by heat from the sun, which distributes temperatures and precipitation around the globe.